Description

trans-2-(3-Cyclopentylpropen-1-Yl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane CAS NO 1073354-57-0 is a high-purity, advanced boronic ester building block designed for sophisticated organic synthesis. This compound is valued for its role as a key intermediate in cross-coupling reactions, enabling the efficient construction of complex molecular architectures. It is primarily sought after by research and development teams in the pharmaceutical, agrochemical, and advanced materials sectors for creating novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A critical precursor in Suzuki-Miyaura cross-coupling reactions for synthesizing novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides with improved efficacy.
• Material Science Research: Serves as a building block for creating organic electronic materials, such as those used in OLEDs and organic photovoltaics.
• Chemical Biology Probes: Employed in the synthesis of labeled compounds and molecular probes for diagnostic and research applications.
• Ligand and Catalyst Development: Utilized in the preparation of novel ligands and organometallic catalysts for asymmetric synthesis.
• Academic & Industrial R&D: A versatile reagent for method development and exploring new synthetic pathways in organic chemistry.

Basic Information

Item	Details
Product Name	trans-2-(3-Cyclopentylpropen-1-Yl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane
CAS No.	1073354-57-0
Molecular Formula	C14H25BO2
Molecular Weight	236.16 g/mol
Synonyms	trans-2-(3-Cyclopentylprop-1-en-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; (E)-2-(3-Cyclopentylallyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 3-Cyclopentyl-2-propen-1-ylboronic acid pinacol ester; (E)-3-Cyclopentylallylboronic acid pinacol ester; Pinacol (E)-3-cyclopentylallylboronate; trans-3-Cyclopentyl-2-propenylboronic acid pinacol ester
EINECS	Contact for details

Quality Control

Our production of trans-2-(3-Cyclopentylpropen-1-Yl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical characterization, including NMR, HPLC, and GC analysis. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and conformance to agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at 2-8°C or as specified on the label. Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (argon or nitrogen) after opening to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (NMR)	Conforms to structure
Purity (HPLC/GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.